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Proceedings Papers

Full Rejuvenation Heat Treatment of MGA 1400DS

Hans van Esch, Stijn Pietersen, Wayne Greaves, Alex Bridges, John Scheibel
Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T17A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101741
https://doi.org/10.1115/GT2023-101741
View Paper titled, Full Rejuvenation Heat Treatment of MGA 1400DS
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Topics: Creep, Fatigue testing, Heat treating (Metalworking), Melting, Rupture, Stress, Superalloys
Proceedings Papers

A Calibration Approach for Accelerated Creep Testing for Electron Beam Melted (EBM) Ti-6Al-4V Using the WCS Model

Md Abir Hossain, Jacob T. Pellicotte, Calvin M. Stewart
Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T17A023, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104193
https://doi.org/10.1115/GT2023-104193
View Paper titled, A Calibration Approach for Accelerated Creep Testing for Electron Beam Melted (EBM) Ti-6Al-4V Using the WCS Model
Open the PDF for A Calibration Approach for Accelerated Creep Testing for Electron Beam Melted (EBM) Ti-6Al-4V Using the WCS Model in another window
Topics: Calibration, Cathode ray oscilloscopes, Creep, Electron beams, Testing, Stress, Trajectories (Physics), Alloys, Damage, Rupture
Proceedings Papers

A Novel Yield Criterion for Nickel-Based Superalloys

Firat Irmak, Kevin Hanekom, Alex Torkaman, Ali P. Gordon
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83274
https://doi.org/10.1115/GT2022-83274
View Paper titled, A Novel Yield Criterion for Nickel-Based Superalloys
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Topics: Nickel, Superalloys, Alloys, Crystals, Stress, Anisotropy, Gas turbines, High temperature, Solidification, Blades
Proceedings Papers

A Machine Learning Approach for Stress-Rupture Prediction of High Temperature Austenitic Stainless Steels

Md Abir Hossain, Adan J. Mireles, Calvin M. Stewart
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A029, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-84352
https://doi.org/10.1115/GT2022-84352
View Paper titled, A Machine Learning Approach for Stress-Rupture Prediction of High Temperature Austenitic Stainless Steels
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Topics: Alloys, Computer programming, Design, High temperature, Machine learning, Rupture, Stainless steel, Stress
Proceedings Papers

Recrystallization of René N4 and N5

Hans van Esch, Stijn Pietersen, Alex Bridges, John Scheibel, Robert Zuber, Wayne Greaves
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81438
https://doi.org/10.1115/GT2022-81438
View Paper titled, Recrystallization of René N4 and N5
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Topics: Recrystallization, Crystals, Maintenance, Superalloys, Heat, Manufacturing, Nickel, Compressive stress, Shot peening, Stress
Proceedings Papers

Full Rejuvenation Heat Treatment of GTD 111DS

Hans van Esch, Stijn Pietersen, Wayne Greaves, Alex Bridges, John Scheibel
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81454
https://doi.org/10.1115/GT2022-81454
View Paper titled, Full Rejuvenation Heat Treatment of GTD 111DS
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Topics: Heat treating (Metalworking), Mechanical properties, Stress, Fatigue, Gas turbines, Hot pressing, Low cycle fatigue, Mechanical testing, Rupture
Proceedings Papers

Characterization of Properties of Laser Powder Bed Fusion 3D-Printed Inconel 718 for Centrifugal Turbomachinery Applications

Hannah G. Lea, Rochelle S. Wooding, Sam Kuhr, John Rotella, José Luis Córdova
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A026, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83474
https://doi.org/10.1115/GT2022-83474
View Paper titled, Characterization of Properties of Laser Powder Bed Fusion 3D-Printed Inconel 718 for Centrifugal Turbomachinery Applications
Open the PDF for Characterization of Properties of Laser Powder Bed Fusion 3D-Printed Inconel 718 for Centrifugal Turbomachinery Applications in another window
Topics: Additive manufacturing, Creep, Electron backscatter diffraction, High cycle fatigue, Lasers, Mechanical properties, Rupture, Spectroscopy, Turbomachinery, X-rays
Proceedings Papers

Developing an Implicit Creep Model From Open Literature Data

William David Day
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A016, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59765
https://doi.org/10.1115/GT2021-59765
View Paper titled, Developing an Implicit Creep Model From Open Literature Data
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Topics: Creep, Rupture
Proceedings Papers

Unsteady Flow Simulation Through Stator-Rotor Blade Rows in Intermediate-Pressure Steam Turbines With Cutback Blades

Hironori Miyazawa, Akihiro Uemura, Takashi Furusawa, Satoru Yamamoto, Koichi Yonezawa, Shuichi Umezawa, Shuichi Ohmori, Takeshi Suzuki
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A018, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14937
https://doi.org/10.1115/GT2020-14937
View Paper titled, Unsteady Flow Simulation Through Stator-Rotor Blade Rows in Intermediate-Pressure Steam Turbines With Cutback Blades
Open the PDF for Unsteady Flow Simulation Through Stator-Rotor Blade Rows in Intermediate-Pressure Steam Turbines With Cutback Blades in another window
Topics: Blades, Pressure, Rotors, Simulation, Stators, Steam turbines, Unsteady flow, Maintenance, Flow (Dynamics), Fracture (Process)
Proceedings Papers

Evaluation of Platform Weld Repairs on F-Class, Stage 1 Buckets

Warren Miglietti, John Scheibel
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T18A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14344
https://doi.org/10.1115/GT2020-14344
View Paper titled, Evaluation of Platform Weld Repairs on F-Class, Stage 1 Buckets
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Topics: Cladding systems (Building), Cracking (Materials), Fracture (Process), Gas tungsten arc welding, Lasers, Maintenance, Optical microscopy, Rupture, Stress, Temperature
Proceedings Papers

Metallurgical Evaluation of an Additively Manufactured Nickel-Base Superalloy for Gas Turbine Guide Vanes

Alex Bridges, John Shingledecker, Alex Torkaman, Lonnie Houck
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T18A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14808
https://doi.org/10.1115/GT2020-14808
View Paper titled, Metallurgical Evaluation of an Additively Manufactured Nickel-Base Superalloy for Gas Turbine Guide Vanes
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Topics: Additive manufacturing, Gas turbines, Guide vanes, Nickel, Superalloys, Creep, Grain size, Rupture, Alloys, Casting
Proceedings Papers

A Life Prediction Model for Single-Crystal Nickel-Base Alloys Under Low-Cycle Fatigue

Firat Irmak, Navindra Wijeyeratne, Taejun Yun, Ali Gordon
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A005, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14250
https://doi.org/10.1115/GT2020-14250
View Paper titled, A Life Prediction Model for Single-Crystal Nickel-Base Alloys Under Low-Cycle Fatigue
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Topics: Alloys, Crystals, Low cycle fatigue, Nickel, Creep, Damage, Fatigue, Superalloys, Blades, Deformation
Proceedings Papers

Stress Rupture Behavior of Disk Superalloys Exposed to Low-Temperature Hot Corrosion Environment

Dipankar Dua, Mohammad Khajavi, Gary White, Deepak Thirumurthy, Jaskirat Singh
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A002, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14113
https://doi.org/10.1115/GT2020-14113
View Paper titled, Stress Rupture Behavior of Disk Superalloys Exposed to Low-Temperature Hot Corrosion Environment
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Topics: Corrosion, Disks, Low temperature, Rupture, Stress, Superalloys, Gas turbines, Turbines, Alloys, Bearings
Proceedings Papers

Probabilistic Minimum-Creep-Strain-Rate and Stress-Rupture Prediction for the Long-Term Assessment of IGT Components

Md Abir Hossain, Calvin M. Stewart
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A017, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14870
https://doi.org/10.1115/GT2020-14870
View Paper titled, Probabilistic Minimum-Creep-Strain-Rate and Stress-Rupture Prediction for the Long-Term Assessment of IGT Components
Open the PDF for Probabilistic Minimum-Creep-Strain-Rate and Stress-Rupture Prediction for the Long-Term Assessment of IGT Components in another window
Topics: Creep, Damage, Damage mechanics, Rupture, Stress
Proceedings Papers

Structural Integrity Assessment and Engine Test of an Additive Manufactured First Stage Ring Segment of a Siemens Large Gas Turbine

Tobias T. Rühmer, Uwe Gampe, Kathrin A. Fischer, Thomas Wimmer, Christoph Haberland
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT30A003, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90344
https://doi.org/10.1115/GT2019-90344
View Paper titled, Structural Integrity Assessment and Engine Test of an Additive Manufactured First Stage Ring Segment of a Siemens Large Gas Turbine
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Topics: Additive manufacturing, Engines, Gas turbines, Creep, High cycle fatigue, Rupture, Computers, Cooling, Design, Flow (Dynamics)
Proceedings Papers

An Approach to Identify Bounding Damage Locations for Condition Based Structural Integrity Assessments of Gas Turbine Components

Richard Green, Jonathan Douglas, Andrew Moffat, Brent Scaletta
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A017, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91804
https://doi.org/10.1115/GT2019-91804
View Paper titled, An Approach to Identify Bounding Damage Locations for Condition Based Structural Integrity Assessments of Gas Turbine Components
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Topics: Damage, Gas turbines, Stress, Turbines, Creep, Industrial gases, Cycles, Design, Computational fluid dynamics, Engines
Proceedings Papers

Comparison of the Predicted Creep Life and Hot Spin Tests for the Turbine Wheel in Automotive Turbocharger

K. Sakamoto, M. Ozaki, Y. Furuta, T. Yoshida
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A005, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90424
https://doi.org/10.1115/GT2019-90424
View Paper titled, Comparison of the Predicted Creep Life and Hot Spin Tests for the Turbine Wheel in Automotive Turbocharger
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Topics: Creep, Particle spin, Rotation, Spin (Aerodynamics), Turbines, Turbochargers, Wheels, Computational fluid dynamics, Finite element methods, Damage
Proceedings Papers

Assessment of Long Term Creep Using Strain Rate Matching From the Stepped Isostress Method

Robert Mach, Jacob Pellicotte, Amanda Haynes, Calvin Stewart
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A011, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91137
https://doi.org/10.1115/GT2019-91137
View Paper titled, Assessment of Long Term Creep Using Strain Rate Matching From the Stepped Isostress Method
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Topics: Creep, Stress, Temperature, Calibration, Matlab, Rupture, Alloys, Composite materials, Energy / power systems, Fittings
Proceedings Papers

Probabilistic Lifetime Assessment Approach of 2%-Cr Steel Considering Material and Loading Profile Scatter

Klaus Helbig, Dennis Jarmowski, Felix Koelzow, Christian Kontermann
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A025, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91297
https://doi.org/10.1115/GT2019-91297
View Paper titled, Probabilistic Lifetime Assessment Approach of 2%-Cr Steel Considering Material and Loading Profile Scatter
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Topics: Electromagnetic scattering, Steel, Uncertainty, Creep, Stress, Damage, Fracture (Materials), Parameter estimation, Probability, Transients (Dynamics)
Proceedings Papers

Application of the Wilshire Stress-Rupture and Minimum-Creep-Strain-Rate Prediction Models for Alloy P91 in Tube, Plate and Pipe Form

Jaime A. Cano, Calvin M. Stewart
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A007, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90625
https://doi.org/10.1115/GT2019-90625
View Paper titled, Application of the Wilshire Stress-Rupture and Minimum-Creep-Strain-Rate Prediction Models for Alloy P91 in Tube, Plate and Pipe Form
Open the PDF for Application of the Wilshire Stress-Rupture and Minimum-Creep-Strain-Rate Prediction Models for Alloy P91 in Tube, Plate and Pipe Form in another window
Topics: Alloys, Creep, Pipes, Rupture, Stress, Design, Boundary-value problems, Testing, Calibration, Constitutive equations